/*
* Copyright (c) 2009 SpringSource, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hyperic.sigar.test;
import java.util.ArrayList;
import org.hyperic.sigar.CpuPerc;
import org.hyperic.sigar.Humidor;
import org.hyperic.sigar.Sigar;
import org.hyperic.sigar.SigarException;
import org.hyperic.sigar.SigarProxy;
public class TestHumidor extends SigarTestCase {
public TestHumidor(String name) {
super(name);
}
private static class HumidorThread extends Thread {
private SigarProxy sigar;
private HumidorThread(SigarProxy sigar) {
this.sigar = sigar;
}
public void run() {
try {
getProcCpu(this.sigar);
} catch (Exception e) {
throw new IllegalArgumentException(e.getMessage());
}
}
}
private static void getProcCpu(SigarProxy sigar) throws Exception {
long[] pids = sigar.getProcList();
for (int j=0; j<10; j++) {
for (int i=0; i<pids.length; i++) {
try {
double cpu = sigar.getProcCpu(pids[i]).getPercent();
if (SigarTestCase.getVerbose()) {
System.out.println(Thread.currentThread().getName() +
" " + pids[i] + "=" + CpuPerc.format(cpu));
}
} catch (SigarException e) {
//ok - process may have gone away or permission denied.
}
}
}
}
private void runTests(SigarProxy sigar) throws Exception {
ArrayList threads = new ArrayList();
for (int i=0; i<3; i++) {
Thread t = new HumidorThread(sigar);
threads.add(t);
t.start();
}
for (int i=0; i<threads.size(); i++) {
Thread t = (Thread)threads.get(i);
t.join();
}
}
public void testGlobalInstance() throws Exception {
runTests(Humidor.getInstance().getSigar());
}
public void testInstance() throws Exception {
Sigar sigar = new Sigar();
runTests(new Humidor(sigar).getSigar());
sigar.close();
}
//uncomment to see if this test will indeed cause a segfault
//without the protection of the Humidor
//public void testUnwrapped() throws Exception {
// runTests(new Sigar());
//}
}